#!/bin/bash

# Slackware build script for OpenFOAM

# Copyright 2017, 2018, 2019, 2020, 2021, 2022 Lorenzo Trevisan, Caorle, Venice, Italy
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=OpenFOAM
VERSION=${VERSION:-10}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $PKG
mkdir -p opt/$PRGNAM
cd $PKG/opt/$PRGNAM
tar xvf $CWD/$PRGNAM-$VERSION-version-$VERSION.tar.gz
mv $PRGNAM-$VERSION-version-$VERSION $PRGNAM-$VERSION
tar xvf $CWD/ThirdParty-$VERSION-version-$VERSION.tar.gz
mv ThirdParty-$VERSION-version-$VERSION ThirdParty-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

cd $PRGNAM-$VERSION

sed -i -e '47s=$HOME=/opt=' ./etc/bashrc

# "Allwmake" below doesn't accept MAKEFLAGS. If MAKEFLAGS contains a -j option,
# extract the number of jobs and export it for "Allwmake". (Thanks to Chris Willing)
jval="$(echo $MAKEFLAGS |grep -o "\-j *[0-9]*" | grep -o "[0-9]*")" || true
[ -n "$jval" ] && export WM_NCOMPPROCS="$jval"

(
  . ./etc/bashrc || true
  cd $WM_PROJECT_DIR
  ./Allwmake
  # check for graphviz
  if [ -x /usr/bin/dot ]; then
    cd $WM_PROJECT_DIR/doc/Doxygen
    ./Allwmake
    cd $WM_PROJECT_DIR
  fi
)

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

install -D -m755 $CWD/OpenFOAM.sh $PKG/etc/profile.d/OpenFOAM.sh

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  $PKG/opt/$PRGNAM/$PRGNAM-$VERSION/doc/Guides/OpenFOAMUserGuide-A4.pdf \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
